3. Triangle DEF is a scale copy of triangle ABC. What is the length of DF? Explain your
reasoning?

4. Rectangle A measures to be 10 inches long and 14 inches wide. Rectangular scaled copy of Rectangle A. Which of the following could be side length

A. 20 inches long and 7 inches wide
B. 5 inches long and 28 inches wide
C. 15 inches long and 21 inches wide
D. 11 inches long and 15 inches wide
E. none of the above